DTC P0121: Throttle/Pedal Position Sensor A Circuit Range/Performance

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P0121 - THROTTLE/PEDAL POSITION SENSOR A CIRCUIT RANGE/PERFORMANCE

Description: This DTC sets when the PCM indicates the electronic throttle control (ETC) throttle position (TP) sensor 1 circuit is out of range in either the closed or wide open throttle (WOT) modes.
Possible Causes: Obstruction in the throttle plate movement TP circuit open Self-test operator error (foot resting on the accelerator pedal during test) Damaged TP sensor Damaged throttle body
Diagnostic Aids: This concern exhibits a symptom of limited power.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST DV .